fossiliferous

Productid brachiopod in flint-bearing fossiliferous limestone (Upper Mercer Limestone, Middle Pennsylvanian; Nellie, Ohio, USA) 2
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Sullivant Quarry, Columbus, Ohio, USA) 9
by James St. John

Brachiopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 2
by James St. John

Ferruginous limestone (Boggs Member, Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 9
by James St. John

Upper Mercer Limestone over Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 3
by James St. John

Fisherites reticulatus fossil algae (Kimmswick Formation, Upper Ordovician; riverbed near Ste. Genevieve, Missouri, USA) 4
by James St. John

Fossiliferous bituminous coal (Clarion Coal, Middle Pennsylvanian; Prattsville West Roadcut, Vinton County, Ohio, USA) 1
by James St. John

Oolitic ironstone (Brassfield Formation, Lower Silurian; Ohio Brush Creek roadcut, southern Ohio, USA) 6
by James St. John

Fossiliferous limestone (Leitchfield Formation, Upper Mississippian; Western Kentucky Parkway roadcut, southern side of Leitchfield, Kentucky, USA) 4
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 19
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 21
by James St. John

Fossiliferous limestone (Boggs Limestone, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 9
by James St. John

Encrinite (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 18
by James St. John

Productid brachiopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 6
by James St. John

Large favositid coral colony in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 2
by James St. John

Large favositid coral colony in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 3
by James St. John

Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 38
by James St. John

Bivalves in fossiliferous sandstone (Marshall Sandstone, Lower Mississippian; near Jackson, Michigan, USA) 7
by James St. John

Historic Entrance (Mammoth Cave, Kentucky, USA) 5
by James St. John

Quartz-lined fossil vug in flint (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 1
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Sullivant Quarry, Columbus, Ohio, USA) 76
by James St. John

Mammut americanum (American mastodon) (Pleistocene; Ziegler Reservoir, Snowmass Village, Colorado, USA) 18
by James St. John

Fossiliferous limestone with crinoid stems (Putnam Hill Limestone, Middle Pennsylvanian; waste rock pile from old clay mine along Blunt Run, Muskingum Township, Muskingum County, Ohio, USA) 10
by James St. John

Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 41
by James St. John

Mastigograptus pepper rock (Fairview Formation, Upper Ordovician; Reidlin Road outcrop, Kenton County, Kentucky, USA) 3
by James St. John

Mancos Shale badlands (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 3
by James St. John

Productid brachiopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 2
by James St. John

Teleoceras major (barrel-bodied rhino) (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 4
by James St. John

Rugose coral in limestone (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA)
by James St. John

Grypania spiralis (Negaunee Iron-Formation, Paleoproterozoic, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 45
by James St. John

Crinoid-rich shales (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 2
by James St. John

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 19
by James St. John

Posidonia fossil bivalve (Lowellville Shale, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 3
by James St. John

Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 42
by James St. John

Ferruginous limestone (Boggs Member, Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 18
by James St. John

Mammut americanum (American mastodon) (Pleistocene; Ziegler Reservoir, Snowmass Village, Colorado, USA) 13
by James St. John

Anastomoses in limestone (Waynesville Formation, Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 4
by James St. John

Sparry fossiliferous limestone (Corryville Member, McMillan Formation, Upper Ordovician; Flemingsburg South roadcut, Fleming County, Kentucky, USA) 1
by James St. John

Silicified rugose corals in fossiliferous limestone (Rico Formation, Upper Pennsylvanian; Grand County, Utah, USA) 4
by James St. John

Fossiliferous volcanic tuff (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 8
by James St. John

Columbus Limestone (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 11
by James St. John

Teleoceras major (fossil barrel-bodied rhino) in volcanic tuff (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 23
by James St. John

Black chert nodules (Delaware Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 6
by James St. John

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 2
by James St. John

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 23
by James St. John

Upper Mercer Limestone over Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 2
by James St. John

Chertified encrinite (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 4
by James St. John

Fossiliferous limestone & fossiliferous shale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 6
by James St. John

Fossiliferous limestone & fossiliferous shale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 24
by James St. John

Brachiopods in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA)
by James St. John

Fossiliferous mudshale (Boggs Shale, Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 16
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Taylor & Bell Quarry, near Marble Cliff, Ohio, USA) 6
by James St. John

Chertified encrinite (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 1
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 12
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; abandoned quarry, Kelleys Island, Lake Erie, Ohio, USA) 6
by James St. John

Ferruginous limestone (Boggs Member, Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 4
by James St. John

Anthracospirifer fossil brachiopod in fossiliferous limestone (Boggs Member, Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 1
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 23
by James St. John

Fossiliferous limestone (Tygarts Creek Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA) 2
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 13
by James St. John